βš’οΈ George the Geologist – Folded Chert

George went on holiday and all he got was this Chert…

Chert is a type of sedimentary rock that forms in flat layers on the sea floor deep in the ocean. So what is it doing up on the beach and how come the layers are contorted and vertical? Join George as he continues his investigation into subduction in Port Macquarie and learns more about how the Earth works.

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George's Field Notes - Folded Chert
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